HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 372)

HEIDENHAIN TNC 410, TNC 426, TNC 430 357
14.3 T
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Program memory ■ Hard disk with 1.5 GB for NC programs
(TNC 410: approx. 10,000 NC blocks with battery buffer backup)
■ Any number of files (TNC 410: up to 64 files)
Tool definitions Up to 254 tools in program, any number of tools in
tables (TNC 410: up to 254)
Programming support ■ Functions for approaching and departing the contour
■ Integrated pocket calculator (not TNC 410)
■ Structuring long programs (only conversational dialog, not TNC 410)
■ Comment blocks
■ Direct help on output error messages (context-sensitive,
not TNC 410)
■ Help function for ISO programming (not TNC 426, TNC 430)
Programmable functions
Contour elements ■ Straight line
■ Chamfer
■ Circular arc
■ Circle center
■ Circle radius
■ Tangentially connecting circle
■ Corner rounding
■ Straight lines and circular arcs for contour approach and departure
■ B spline (not TNC 410)
Program jumps ■ Subprograms
■ Program section repeats
■ Program as Subprogram
Fixed cycles ■ Drilling cycles for drilling, pecking, reaming, boring, back boring,
tapping with a floating tap holder, rigid tapping
■ Milling and finishing rectangular and circular pockets
■ Cycles for milling linear and circular slots
■ Linear and circular hole patterns
■ Cycles for multipass milling of flat and twisted surfaces
■ Milling pockets and islands from a list of subcontour elements
■ Interpolation of cylinder surface (not TNC 410)
Rkap14.pm6 29.06.2006, 08:07 357